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The MPs argued GDP growth could drop below 8 percent in the North West despite having a free trade deal post-Brexit which "would be catastrophic for already-stretched public services including our NHS”.

A week ago, a similar letter was penned by five North East MPs, declaring Mrs May make the Brexit deal public.

The House of Commons will be voting on Mrs May's proposed Brexit deal at later on this year.

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Jeremy Corbyn's MPs argued for a second Brexit referendum

However, the Merseyside MPs insisted Brexit was “much too big a deal for just 650 MPs in London to decide” without having “the rest of the country having their say.”

They said: "We need look no further than the wise words of the Liverpool manager Jürgen Klopp, who said ‘let’s sit together again. Let’s think about it again and let’s vote again with the right information – not with the information you’ve got around the Brexit campaign’.

“We agree with Jurgen, and we believe there should be a People’s Vote on the Brexit deal.”